p-Toluenesulfonamide CAS 70-55-3
Selelekela sa sehlahisoa
p-Toluenesulfonamide, e tsejoang hape e le 4-toluenesulfonamide, p-sulfonamide, toluene-4-sulfonamide, toluenesulfonamide, p-sulfamoyltoluene, ke kristale e tšoeu kapa lekhasi la Chemicalbook, e sebelisetsoang ho kopanya chloramine-T le Chloramphenicol, lidae tse khanyang, ho etsa li-plasticizer, li-resin tsa maiketsetso, li-coat, li-disinfectant le li-brighteners tsa ho sebetsana le patsi, jj.
Mokhoa oa tlhahiso o qala ka ho eketsa karolo ea metsi a HN3 ka pitseng ea karabelo, o eketsa p-toluenesulfonyl chloride ha o ntse o hlohlelletsa, 'me mocheso ka tlhaho o nyolohela ho feta 50°C. Kamora hore mocheso o theohe, metsi a setseng a ammonia aa eketsoa. Araba ho 85~9Chemicalbook0℃ ka lihora tse 0.5. Karabelo e fela ha boleng ba pH bo fihla ho 8 ho isa ho 9. Pholisa ho fihlela ho 20°C, sefa, 'me u hlatsoe kuku ea sefe ka metsi ho fumana sehlahisoa se tala. Sehlahisoa se ntan'o fetoloa 'mala ke khabone e sebetsang, se qhibilihisoa ka alkali, se arotsoe ke asiti, se sefshoa le ho omisoa ho fumana sehlahisoa.
Tšimo ea kopo
p-Toluenesulfonamide ke plasticizer e ntle haholo e tiileng bakeng sa polasetiki ea thermosetting, e loketseng phenolic resin, melamine resin, urea-formaldehyde resin, polyamide le li-resin tse ling. Ho kopanya hanyane ho ka ntlafatsa ts'ebetso, ha etsa hore ho be le ho lekana, 'me ha fa sehlahisoa khanya e ntle. p-Toluenesulfonamide ha e na phello ea ho nolofatsa ea li-plasticizer tsa metsi, ha e lumellane le polyvinyl chloride le vinyl chloride copolymers, 'me e lumellana ka karolo e itseng le cellulose acetate, cellulose acetate butyrate le cellulose nitrate.
Tlhaloso ea kaho
p-Toluenesulfonamide
CAS 70-55-3
Foromo ea limolek'hule C7H9NO2S
Boima ba limolek'hule 171.22
Nomoro ea EINECS 200-741-1
Boemo ba ho qhibiliha 134-137 °C (ha ho hlaka)
Boemo ba ho belisa 221 °C (10 mmHg)
Boima ba 'mele 1.2495 (khakanyo e akaretsang)
Boima ba mouoane 5.9 (khakanyo ea moea) Letšoao la refractive 1.6100 (khakanyo)
Sebaka sa ho phatloha ha 202 °C
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